3 (I think, sorry if it’s wrong)
<span>4 molecules of oxygen. Haemoglobin is a protein found in the red blood cells, which carries oxygen to the cells to perform cellular respiration. Each red blood cell carries around 250 million haemoglobin. So the entire capacity of an RBC is around 1 billion oxygen molecules.</span>
<span>b.) organism and health</span>
Answer:
The cell membrane controls what leaves and enters the cell. The cytoplasm helps support and protect the cell's organelles.
